Drill bit accessory



FIG. 1 is a perspective view of a drill bit accessory, showing my design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear side view thereof; and,

FIG. 7 is a front side view thereof.

The broken lines depict portions of the drill bit accessory that form no part of the claimed design. 

CLAIM The ornamental design for a drill bit accessory, as shown and described. 